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Hems T. Letter about a Published Paper. J Hand Surg Eur Vol 2024; 49:924-925. [PMID: 38296228 DOI: 10.1177/17531934241228685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/29/2024]
Affiliation(s)
- Tim Hems
- Scottish National Brachial Plexus Injury Service, Queen Elizabeth University Hospital and Royal Hospital for Children, Glasgow, UK
- Twitter: @Tim67038335
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2
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Goubier JN, Battiston B, Casanas J, Quick T. Adult traumatic brachial plexus injuries: advances and current updates. J Hand Surg Eur Vol 2024; 49:734-746. [PMID: 38366385 DOI: 10.1177/17531934241229201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/18/2024]
Abstract
Nerve grafting, tendon transfer and joint fusion are routinely used to improve the upper limb function in patients with brachial plexus palsies. Newer techniques have been developed that provide additional options for reconstruction. Nerve transfer is a tool for restoring upper limb function in total root avulsions where nerve grafting is not possible. In partial brachial plexus injuries, nerve transfers can greatly improve shoulder, elbow, wrist and hand function. Intraoperative electrical stimulation can be used to diagnose precisely which nerve is injured and to choose which nerve fascicles should be transferred. Finally, measuring the postoperative outcome can improve the evaluation of our techniques. The aim of this article was to present the current techniques used to treat patients with brachial plexus injury.
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Affiliation(s)
- Jean-Noel Goubier
- Brachial Plexus and Nerve Surgery Institute, Paris, France
- Hôpital Privé Paul d'Égine, Clinique la Francilienne, Champigny sur Marne, France
- Institut de la Main, Clinique Bizet, Paris, France
| | - Bruno Battiston
- UOD Reconstructive Microsurgery, AOU Città della Salute e della Scienza di Torino, Torino, Italy
| | | | - Tom Quick
- Institute of Orthopaedics and Musculoskeletal Science, University College London, London, UK
- Peripheral Nerve Injury Unit, Royal National Orthopaedic Hospital, Stanmore, UK
- Centre for Nerve Engineering, University College London, London, UK
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3
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McMorrow LA, Czarnecki P, Reid AJ, Tos P. Current perspectives on peripheral nerve repair and management of the nerve gap. J Hand Surg Eur Vol 2024; 49:698-711. [PMID: 38603601 DOI: 10.1177/17531934241242002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/13/2024]
Abstract
From the first surgical repair of a nerve in the 6th century, progress in the field of peripheral nerve surgery has marched on; at first slowly but today at great pace. Whether performing primary neurorrhaphy or managing multiple large nerve defects, the modern nerve surgeon has an extensive range of tools, techniques and choices available to them. Continuous innovation in surgical equipment and technique has enabled the maturation of autografting as a gold standard for reconstruction and welcomed the era of nerve transfer techniques all while bioengineers have continued to add to our armamentarium with implantable devices, such as conduits and acellular allografts. We provide the reader a concise and up-to-date summary of the techniques available to them, and the evidence base for their use when managing nerve transection including current use and applicability of nerve transfer procedures.
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Affiliation(s)
- Liam A McMorrow
- Blond McIndoe Laboratories, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
- Department of Plastic Surgery & Burns, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Piotr Czarnecki
- Department of Traumatology, Orthopaedics and Hand Surgery, Poznań University of Medical Sciences, Poznań, Poland
| | - Adam J Reid
- Blond McIndoe Laboratories, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
- Department of Plastic Surgery & Burns, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Pierluigi Tos
- Azienda Socio Sanitaria Territoriale Gaetano Pini, Milan, Italy
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Doi K, Marei AE, Mane SA, Hattori Y, Sakamoto S, Sonezaki S, Saeki Y. Re-evaluation of the Indications for the Camitz Procedure in Severe Carpal Tunnel Syndrome. J Hand Surg Am 2023:S0363-5023(23)00171-5. [PMID: 37178064 DOI: 10.1016/j.jhsa.2023.03.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 03/06/2023] [Accepted: 03/22/2023] [Indexed: 05/15/2023]
Abstract
PURPOSE The modified Camitz procedure has been used to improve thumb opposition in patients with severe carpal tunnel syndrome (CTS), although its indications remain controversial. This study compared the functional recovery of thumb opposition following carpal tunnel release with and without a concomitant Camitz procedure. We used the Carpal Tunnel Syndrome Instrument questionnaire (CTSI) and the compound muscle action potential of the abductor pollicis brevis (APB-CMAP) to assess the recovery. METHODS Five hundred sixty-seven hands underwent surgical treatment for CTS following electrophysiologic studies and the CTSI. The procedures included carpal tunnel release (either endoscopic carpal tunnel release [ECTR] or open carpal tunnel release [OCTR]) and OCTR with a Camitz procedure. One hundred thirty-six patients with absent preoperative APB-CMAP constituted the material of our study. The CTSI and APB-CMAP recoveries between the "ECTR/OCTR group" and the "Camitz group" were compared before surgery and at three, six, and 12 months after surgery. RESULTS There were no statistically significant differences in recovery between the "ECTR/OCTR group" and the "Camitz group" according to the three scales of CTSI (symptom severity scale, functional state scale, and FS-2 item, buttoning clothes: an alternative test of thumb opposition) and the APB-CMAP. CONCLUSION Carpal tunnel release procedures resulted in the useful recovery of thumb opposition without the need for Camitz, even if APB-CMAP did not fully recover. The action of the other synergistic muscles acting on the thumb and the sensory recovery may have contributed to the recovery of thumb opposition. The Camitz procedure also may be only rarely indicated for hands affected by severe CTS. TYPE OF STUDY/LEVEL OF EVIDENCE Therapeutic IV.
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Affiliation(s)
- Kazuteru Doi
- Department of Orthopedic Surgery, Ogori Daiichi General Hospital, Yamaguchi city, Yamaguchi prefecture, Japan.
| | - Abdelhakim Ezzat Marei
- Department of Orthopedic Surgery, Ogori Daiichi General Hospital, Yamaguchi city, Yamaguchi prefecture, Japan; Department of Hand surgery and Traumatology, Tanta University, Tanta, El- Gharbia Governorate, Egypt
| | - Satish A Mane
- Department of Orthopedic Surgery, Ogori Daiichi General Hospital, Yamaguchi city, Yamaguchi prefecture, Japan
| | - Yasunori Hattori
- Department of Orthopedic Surgery, Ogori Daiichi General Hospital, Yamaguchi city, Yamaguchi prefecture, Japan
| | - Sotetsu Sakamoto
- Department of Orthopedic Surgery, Ogori Daiichi General Hospital, Yamaguchi city, Yamaguchi prefecture, Japan
| | - Shichoh Sonezaki
- Department of Orthopedic Surgery, Ogori Daiichi General Hospital, Yamaguchi city, Yamaguchi prefecture, Japan
| | - Yuji Saeki
- Department of Orthopedic Surgery, Ogori Daiichi General Hospital, Yamaguchi city, Yamaguchi prefecture, Japan
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5
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Gunasagaran J. Reply letter to the editor regarding "Video-assisted thoracoscopic surgery aided full-length phrenic nerve transfer for restoration of elbow flexion". J Orthop Surg (Hong Kong) 2023; 31:10225536231198769. [PMID: 37644695 DOI: 10.1177/10225536231198769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/31/2023] Open
Affiliation(s)
- Jayaletchumi Gunasagaran
- National Orthopaedic Centre of Excellence for Research and Learning (NOCERAL), Department of Orthopaedic Surgery, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
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Doi K, Yii Chia DS, Hattori Y, Sakamoto S. Virtual Rehabilitation of Elbow Flexion Following Nerve Transfer Reconstruction for Brachial Plexus Injuries Using the Single-Joint Hybrid Assisted Limb. JOURNAL OF HAND SURGERY GLOBAL ONLINE 2022; 4:97-102. [PMID: 35434571 PMCID: PMC9005380 DOI: 10.1016/j.jhsg.2021.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 12/08/2021] [Indexed: 11/26/2022] Open
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Kim RB, Bounajem M, Hamrick F, Mahan MA. Optimal Donor Nerve to Restore Elbow Flexion After Traumatic Brachial Plexus Injury: A Systematic Review and Meta-Analysis. Neurosurgery 2022; 90:39-50. [PMID: 34982869 DOI: 10.1227/neu.0000000000001737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 08/18/2021] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Traumatic brachial plexus injuries (BPIs) often lead to devastating upper extremity deficits. Treatment frequently prioritizes restoring elbow flexion through transfer of various donor nerves; however, no consensus identifies optimal donor nerve sources. OBJECTIVE To complete a meta-analysis to assess donor nerves for restoring elbow flexion after partial and total BPI (TBPI). METHODS Original English language articles on nerve transfers to restore elbow flexion after BPI were included. Using a random-effects model, we calculated pooled, weighted effect size of the patients achieving a composite motor score of ≥M3, with subgroup analyses for patients achieving M4 strength and with TBPI. Meta-regression was performed to assess comparative efficacy of each donor nerve for these outcomes. RESULTS Comparison of the overall effect size of the 61 included articles demonstrated that intercostal nerves and phrenic nerves were statistically superior to contralateral C7 (cC7; P = .025, <.001, respectively) in achieving ≥M3 strength. After stratification by TBPI, the phrenic nerve was still superior to cC7 in achieving ≥M3 strength (P = .009). There were no statistical differences among ulnar, double fascicle, or medial pectoral nerves in achieving ≥M3 strength. Regarding M4 strength, the phrenic nerve was superior to cC7 (P = .01) in patients with TBPI and the ulnar nerve was superior to the medial pectoral nerve (P = .036) for partial BPI. CONCLUSION Neurotization of partial BPI or TBPI through the intercostal nerve or phrenic nerve may result in functional advantage over cC7. In patients with upper trunk injuries, neurotization using ulnar, median, or double fascicle nerve transfers has similarly excellent functional recovery.
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Affiliation(s)
- Robert B Kim
- Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, Utah, USA
| | - Michael Bounajem
- Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, Utah, USA
| | - Forrest Hamrick
- School of Medicine, University of Utah, Salt Lake City, Utah, USA
| | - Mark A Mahan
- Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, Utah, USA
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Kiper P, Rimini D, Falla D, Baba A, Rutkowski S, Maistrello L, Turolla A. Does the Score on the MRC Strength Scale Reflect Instrumented Measures of Maximal Torque and Muscle Activity in Post-Stroke Survivors? SENSORS 2021; 21:s21248175. [PMID: 34960269 PMCID: PMC8708806 DOI: 10.3390/s21248175] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/03/2021] [Accepted: 12/05/2021] [Indexed: 11/16/2022]
Abstract
It remains unknown whether variation of scores on the Medical Research Council (MRC) scale for muscle strength is associated with operator-independent techniques: dynamometry and surface electromyography (sEMG). This study aimed to evaluate whether the scores of the MRC strength scale are associated with instrumented measures of torque and muscle activity in post-stroke survivors with severe hemiparesis both before and after an intervention. Patients affected by a first ischemic or hemorrhagic stroke within 6 months before enrollment and with complete paresis were included in the study. The pre- and post-treatment assessments included the MRC strength scale, sEMG, and dynamometry assessment of the triceps brachii (TB) and biceps brachii (BB) as measures of maximal elbow extension and flexion torque, respectively. Proprioceptive-based training was used as a treatment model, which consisted of multidirectional exercises with verbal feedback. Each treatment session lasted 1 h/day, 5 days a week for a total 15 sessions. Nineteen individuals with stroke participated in the study. A significant correlation between outcome measures for the BB (MRC and sEMG p = 0.0177, ρ = 0.601; MRC and torque p = 0.0001, ρ = 0.867) and TB (MRC and sEMG p = 0.0026, ρ = 0.717; MRC and torque p = 0.0001, ρ = 0.873) were observed post intervention. Regression models revealed a relationship between the MRC score and sEMG and torque measures for both the TB and BB. The results confirmed that variation on the MRC strength scale is associated with variation in sEMG and torque measures, especially post intervention. The regression model showed a causal relationship between MRC scale scores, sEMG, and torque assessments.
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Affiliation(s)
- Pawel Kiper
- Physical Medicine and Rehabilitation Unit, Azienda ULSS 3 Serenissima, 30126 Venice, Italy
- Correspondence: (P.K.); (A.T.)
| | - Daniele Rimini
- Medical Physics Department-Clinical Engineering, Salford Care Organisation, Salford M6 8HD, UK;
| | - Deborah Falla
- Centre of Precision Rehabilitation for Spinal Pain (CPR Spine), School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham B15 2TT, UK;
| | - Alfonc Baba
- Rehabilitation Unit, Azienda Ospedale Università Padova, 35128 Padua, Italy;
| | - Sebastian Rutkowski
- Faculty of Physical Education and Physiotherapy, Opole University of Technology, 45-758 Opole, Poland;
| | - Lorenza Maistrello
- Laboratory of Neurorehabilitation Technologies, San Camillo IRCCS, 30126 Venice, Italy;
| | - Andrea Turolla
- Laboratory of Neurorehabilitation Technologies, San Camillo IRCCS, 30126 Venice, Italy;
- Correspondence: (P.K.); (A.T.)
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Wilcox M, Dos Santos Canas L, Hargunani R, Tidswell T, Brown H, Modat M, Phillips JB, Ourselin S, Quick T. Volumetric MRI is a promising outcome measure of muscle reinnervation. Sci Rep 2021; 11:22433. [PMID: 34789795 PMCID: PMC8599480 DOI: 10.1038/s41598-021-01342-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 10/18/2021] [Indexed: 11/09/2022] Open
Abstract
The development of outcome measures that can track the recovery of reinnervated muscle would benefit the clinical investigation of new therapies which hope to enhance peripheral nerve repair. The primary objective of this study was to assess the validity of volumetric Magnetic Resonance Imaging (MRI) as an outcome measure of muscle reinnervation by testing its reproducibility, responsiveness and relationship with clinical indices of muscular function. Over a 3-year period 25 patients who underwent nerve transfer to reinnervate elbow flexor muscles were assessed using intramuscular electromyography (EMG) and MRI (median post-operative assessment time of 258 days, ranging from 86 days pre-operatively to 1698 days post- operatively). Muscle power (Medical Research Council (MRC) grade) and Stanmore Percentage of Normal Elbow Assessment (SPONEA) assessment was also recorded for all patients. Sub-analysis of peak volitional force (PVF), muscular fatigue and co-contraction was performed in those patients with MRC > 3. The responsiveness of each parameter was compared using Pearson or Spearman correlation. A Hierarchical Gaussian Process (HGP) was implemented to determine the ability of volumetric MRI measurements to predict the recovery of muscular function. Reinnervated muscle volume per unit Body Mass Index (BMI) demonstrated good responsiveness (R2 = 0.73, p < 0.001). Using the temporal and muscle volume per unit BMI data, a HGP model was able to predict MRC grade and SPONEA with a mean absolute error (MAE) of 0.73 and 1.7 respectively. Muscle volume per unit BMI demonstrated moderate to good positive correlations with patient reported impairments of reinnervated muscle; co- contraction (R2 = 0.63, p = 0.02) and muscle fatigue (R2 = 0.64, p = 0.04). In summary, volumetric MRI analysis of reinnervated muscle is highly reproducible, responsive to post-operative time and demonstrates correlation with clinical indices of muscle function. This encourages the view that volumetric MRI is a promising outcome measure for muscle reinnervation which will drive advancements in motor recovery therapy.
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Affiliation(s)
- Matthew Wilcox
- Peripheral Nerve Injury Research Unit, Royal National Orthopaedic Hospital, Stanmore, UK. .,UCL Centre for Nerve Engineering, University College London, London, UK. .,Department of Pharmacology, UCL School of Pharmacy, University College London, London, UK. .,University College London Medical School, London, UK.
| | | | - Rikin Hargunani
- Department of Radiology, Royal National Orthopaedic Hospital, Stanmore, UK
| | - Tom Tidswell
- Department of Clinical Neurophysiology, Royal Free Hospital, London, UK
| | - Hazel Brown
- Peripheral Nerve Injury Research Unit, Royal National Orthopaedic Hospital, Stanmore, UK.,UCL Centre for Nerve Engineering, University College London, London, UK
| | - Marc Modat
- Biomedical Engineering and Imaging Sciences, King's College London, London, UK
| | - James B Phillips
- UCL Centre for Nerve Engineering, University College London, London, UK.,Department of Pharmacology, UCL School of Pharmacy, University College London, London, UK
| | - Sebastien Ourselin
- Biomedical Engineering and Imaging Sciences, King's College London, London, UK
| | - Tom Quick
- Peripheral Nerve Injury Research Unit, Royal National Orthopaedic Hospital, Stanmore, UK.,UCL Centre for Nerve Engineering, University College London, London, UK
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Dy CJ. What's New in Hand and Wrist Surgery. J Bone Joint Surg Am 2021; 103:463-468. [PMID: 33464783 DOI: 10.2106/jbjs.20.01984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Christopher J Dy
- Department of Orthopaedic Surgery and Division of Public Health Sciences, Department of Surgery, Washington University School of Medicine, St. Louis, Missouri
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McGillivray MK, Haldane C, Doherty C, Berger MJ. Evaluation of muscle strength following peripheral nerve surgery: A scoping review. PM R 2021; 14:383-394. [PMID: 33751851 DOI: 10.1002/pmrj.12586] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 02/24/2021] [Accepted: 03/07/2021] [Indexed: 12/14/2022]
Abstract
Peripheral nerve injury (PNI) can result in devastating loss of function, often with poor long-term prognosis. Increased use of peripheral nerve surgical techniques (eg, nerve transfer, nerve grafting, and nerve repair) has resulted in improved muscle strength and other functional outcomes in patients with PNI. Muscle strength has largely been evaluated with the British Medical Research Council (MRC) scale. MRC is convenient to use in clinical settings, but more robust measures of muscle function are necessary to fully elucidate patient recovery. This scoping review aims to examine alternative instruments used to assess muscle function in studies of peripheral nerve surgery for PNI of the upper and lower limbs. A scoping review was conducted using Ovid MEDLINE, CINAHL, EMBASE, and PubMed databases in May and December of 2020, yielding a total of 20 studies pertaining to the review question. Studies pertaining to handheld dynamometry, grip and pinch dynamometry, Rotterdam Intrinsic Hand Myometers, isokinetic dynamometry, ultrasonography, and electromyography were reviewed. We provide a synopsis of each method and current clinical applications and discuss potential benefits, disadvantages, and areas of future research.
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Affiliation(s)
- Meghan K McGillivray
- Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Chloe Haldane
- Division of Physical Medicine and Rehabilitation, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Christopher Doherty
- Division of Plastic Surgery, Department of Surgery, University of British Columbia, Vancouver, British Columbia, Canada
| | - Michael J Berger
- International Collaboration on Repair Discoveries, Vancouver, British Columbia, Canada.,Division of Physical Medicine & Rehabilitation, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.,School of Kinesiology, Faculty of Education, University of British Columbia, Vancouver, British Columbia, Canada
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